AI Article Synopsis
- Oculomotor nerve palsy (ONP) can be caused by various factors, including aneurysms and diabetes, but cases due to nonaneurysmal compression (nAVC) are rare and less understood.
- Between October 2022 and October 2023, 5 patients with nAVC-ONP underwent microvascular decompression (MVD) surgery, and their symptoms, imaging, and intraoperative findings were analyzed using a self-developed evaluation scale.
- All patients showed positive recovery outcomes post-surgery with no complications, suggesting that MVD could be an effective treatment for ONP caused by neurovascular conflicts.
Article Abstract
Background: Oculomotor nerve palsy (ONP) is frequently caused by aneurysm compression and diabetes mellitus. However, nonaneurysmal compression (nAVC) of the oculomotor nerve is a condition rarely reported in the literature. Cases treated with microvascular decompression (MVD) for nAVC-induced ONP (nAVC-ONP) are exceptionally rare.
Methods: Between October 2022 and October 2023, we performed MVD surgery on 5 patients diagnosed with nAVC-ONP. The clinical symptoms, imaging characteristics, and intraoperative findings of these patients were reviewed and analyzed using a self-developed evaluation scale (S-T Evaluation Scale) to guide diagnosis and corresponding treatment plans.
Results: All patients underwent MVDs and demonstrated favorable recovery and a good prognosis. No postoperative complications occurred in any of the patients. The superior cerebellar artery and posterior cerebral artery were common offending vessels in these cases.
Conclusions: Neurovascular conflict has been proposed as another possible cause of ONP in a limited number of cases. Based on our findings, MVD is a potentially effective solution for patients experiencing oculomotor nerve palsy resulting from nonaneurysmal neurovascular conflicts. It holds great promise for significantly alleviating symptoms and improving overall quality of life.
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| http://dx.doi.org/10.1016/j.wneu.2024.08.130 | DOI Listing |
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